Marcel, a simple-minded factory worker, is tricked into buying a high-priced American convertable car by a widow determined not to let it fall into the hands of her late husband's secretary/secret lover. Once in pocession of the car, Marcel only encounters one bad luck episode after another with the excessive gasoline consumtion, his wife trying to sell it to make ammends meet, getting into traffic jams, accidently riding into a car wash with the top down, and more.

A poacher nicknamed "Le Bouif" is accused of having murdered his son-in-law, trainer of a horse stable in Maisons-Laffitte.

The carefree Bertrand, gamekeeper for a castellan, puts himself in danger when he discovers that his boss is the leader of a gang of counterfeiters.

In this sketch comedy compared to the American film Hellzapoppin, a spectacle is put on to celebrate the wedding of a nobleman, but the results are disastrous.